環形鉆頭 的英文怎麼說

中文拼音 [huánxíngzhēntóu]
環形鉆頭 英文
annular bit
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 鉆 : 鉆Ⅰ名詞1. （打眼用的工具） drill; auger 2. （指鉆石） diamond; jewel Ⅱ動詞（用尖物在另一物體上轉動） drill; bore
  • 環形 : annular; ringlike; ring form; bight; annularity環形癌 annular carcinoma; 環形電路 [訊] loop circu...
  1. Wood bits ; gimlets with ring handles

    木工鉆.環形手柄鉆頭
  2. Taper ring gauges for taper shafts for drill chucks

    鉆頭夾頭錐形軸用錐度環規
  3. Under the function of big pressure and dynamic load, the grains may be moved which may cause the soil body distortion. at present, the relatively ripe methods of drill in gravel layer are mostly double - wall drill pipe reverse circulation drilling, auger stem breast wall drilling and down - the - hole hammer follow down drilling

    論文根據jsl ? 30型礫石鉆機潛孔錘同心跟管鉆具結構，採用程序計算得到了鉆桿內各深度處壓力分佈、鉆頭壓力降、環形空間壓力分佈及空氣流速分佈。
  4. To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking

    為確保灌注泵可靠工作，提出改進措施： （ 1 ）採用改型環形泵體降低葉輪的徑向力，減小軸封間隙，抑制泄漏； （ 2 ）採用背葉片降低葉片根部壓頭，獲得微壓，使軸封兩端承受較小壓差； （ 3 ）採用螺旋密封降低軸封兩端壓差，在保持微壓的同時避免出現負壓，密封效果更好； （ 4 ）採用反壓式填料密封結構，在很小的壓緊力下，即可保證密封； （ 5 ）採用具有潤滑功效的柔性石墨填料，即使發生軸封泄漏，進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。
  5. Comparing the artesian well waste material that to autonomous prefecture churchyard unit of 3 oil field develops integratedly harmless change deal with the technology is pilot after the job develops a case, form following conclusion : what artesian well solid abandons is harmless change deal with the technology accords with the state council " watch the decision that reinforces environmental protection about fulfilling scientific progress " in " industry of positive development environmental protection, apply market mechanism to advance pollution to administer " wait for multinomial spirit, but resource conservation, reduce pollution, raise business economic benefits, the effect with environmental distinct benefit, in me the city already had the requirement that uses at real work, the proposal takes the lead by environmental protection branch, participate in next progressively promotion application what the unit of aptitude offers unit of technology, oil field directly

    在綜合比對自治州境內三家油田單位開展的鉆井廢物無害化處置技術試點工作開展情況之後，形成如下結論：鉆井固廢的無害化處置技術符合國務院「關于落實科學發展觀加強環境保護的決定」中「積極發展環保產業、運用市場機制推進污染治理」等多項精神，可節約資源、減少污染，提高企業經濟效益，環境效益顯著的作用，在我州已具備應用於實際工作的條件，建議由環保部門牽頭、有資質的單位提供技術、油田單位的直接參與下逐步推廣應用。
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